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Blog about Wait/Notify processors >> http://ijokarumawak.github.io/nifi/2017/02/02/nifi-notify-batch/

Pausing a particular FlowFile a period of time before being processed again.  Some options include:

• Use ExecuteScript to penalize the FlowFile
• Use UpdateAttribute to set/increment a time and a RouteOnAttribute to see if the time limit has expired
• Just slow down the run schedule for the processors
• Use the Wait processor with an expiration since it doesn't have a corresponding Notify processor
• Links
  • http://apache-nifi-users-list.2361937.n4.nabble.com/Delay-a-FlowFile-for-a-specific-amount-of-time-td5967.html
  • https://community.cloudera.com/t5/Support-Questions/Is-there-a-WAIT-processor-in-NIFI/td-p/149077

Load-balancing a list of files with ListSFTP and FetchSFTP >> https://community.hortonworks.com/articles/97773/how-to-retrieve-files-from-a-sftp-server-using-nif.html

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